<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio color="#C00000" :checked="isFullChech" /><text>全选</text>
    </label>
    <!-- 合计 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
    </view>
    <!-- 结算 -->
    <view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
  </view>
</template>

<script>
  import {mapGetters,mapMutations,mapState} from 'vuex'
  
  export default {
    name:"my-settle",
    data() {
      return {
        //倒计时的秒数
        seconds:3,
        //定时器的 Id
        timer:null
      };
    },
    computed:{
      ...mapGetters('m_cart', ['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('m_user',['addstr']),
      ...mapState('m_user', ['token']),
      ...mapState('m_cart',['cart']), 
      isFullChech(){
      return  this.total === this.checkedCount
      }
    },
    methods:{
      ...mapMutations('m_cart',['updateAllGoodsState']),
      ...mapMutations('m_user',['updateRedirectInfo']),
      changeAllState(){
        this.updateAllGoodsState(!this.isFullChech)
      },
      settlement(){
        if(!this.checkedCount) return uni.$showMsg('请选择要结算的商品！')
        
        if(!this.addstr) return uni.$showMsg('请选择收货地址!')
        
        if(!this.token) return this.delayNavigate()
        
        this.payOrder()
       },
      async payOrder(){
         //1.创建订单
         // 1.1组织订单的信息对象
         const orderInfo ={
           // order_price:this.checkedGoodsAmount,
           order_price:0.01,
           consignee_addr:this.addstr,
           goods:this.cart.filter(x => x.goods_state).map(x => ({
             goods_id:x.goods_id,
             goods_number:x.goods_count,
             goods_price:x.goods_price
           }))
           
         }
         // 1.2发起请求创建订单
        const {data:res} =  await uni.$http.post('/api/public/v1/my/orders/create',orderInfo)
        if(res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
          // 1.3得到服务器响应的 订单编号
          const orderNumber = res.message.order_number
          // console.log(orderNumber)
          
          //2订单预支付
          //2.1发起请求获取订单的支付信息
          const {data:res2} = await  uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number :orderNumber })
          //2.2预支付订单生成失败
          if(res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败!')
           //2.3 得到的订单支付相关的必要参数
           const payInfo = res2.message.pay
           
           // console.log(payInfo)
           //3.发起微信支付
           //3.1 调用 uni.requestPayment() 发起微信支付
          const [err,succ] = await uni.requestPayment(payInfo)
           //3.2 未完成支付
           if(err) return uni.$showMsg('订单未支付！！')
           //3.3完成了支付，进一步查询支付的结果
          const {data:res3} = await  uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number : orderNumber})
           //3.4 检测到订单未支付
           if(res3.meta.status !== 200) return uni.$showMsg('订单未支付！！')
           //3.5 检测到订单支付完成
           uni.showToast({
             title:'订单支付完成!',
             icon:'success'
           })
       },
       //延时导航到  my 页面
       delayNavigate(){
         this.seconds = 3
         this.showTips(this.seconds)
         this.timer =  setInterval( () => {
           this.seconds--
           if(this.seconds <= 0){
             clearInterval(this.timer)
             uni.switchTab({
               url:'/pages/my/my',
               success:() =>{
                 this.updateRedirectInfo({
                   openType: 'switchTab',
                   from:'/pages/cart/cart'
                 })
               }
             })
             return
           }
         this.showTips(this.seconds)} ,1000)
       },
       //展示倒计时的提示消息
       showTips(n){
         uni.showToast({
           icon:'none',
           title:'请登录后再结算！'+n+' 秒之后自动跳转到登录页',
           mask:true,
           duration:1500
         })
       }
      
    }
  }
</script>

<style lang="scss">
.my-settle-container{
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background-color: white;
  display: flex;
    justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  
  .radio{
    display: flex;
    align-items: center;
  }
  
  .amount-box{
    .amount{
      color: #C00000;
      font-weight: bold;
    }
  }
  .btn-settle{
    background-color: #C00000;
  height: 50px;
  color: white;
  line-height: 50px;
  padding: 0 10px;
  min-width: 100px;
  text-align: center;
  
  }
}
</style>